Add these entries to your hosts file ( C:\Windows\System32\drivers\etc\hosts on Windows, /etc/hosts on macOS/Linux). Each line maps the domain to 127.0.0.1 (localhost).

127.0.0.1 lmlicenses.wip4.adobe.com 127.0.0.1 lm.licenses.adobe.com 127.0.0.1 na1r.services.adobe.com 127.0.0.1 hlrcv.stage.adobe.com 127.0.0.1 practivate.adobe.com 127.0.0.1 activate.adobe.com 127.0.0.1 adobe.licensing98723.activate.com

Most generic block lists you find online are bloated with:

Add lines mapping domains to 127.0.0.1 (or ::1 for IPv6). Example:

Blocking Adobe services through the file is a common method used by users to prevent software tracking, background updates, and "Genuine Service" pop-ups. In 2026, this remains a cat-and-mouse game as Adobe frequently updates its domains and has even begun modifying the file itself to maintain connectivity. 🛑 Modern Adobe Hosts Block List (2026)

Different versions of Adobe applications might communicate with different servers. Ensuring that all scenarios are covered requires thorough testing.